[1] The regiment was ordered into active military service 15 April 1943 and reorganized at Fort Leonard Wood, Missouri.

The regiment departed Camp Shanks on 22 October 1944 through the New York Port of Embarkation.

In July 1943, the regiment was organized with 3,256 officers and enlisted men:[3] [4] The regiment departed France and arrived at Camp Patrick Henry and the Hampton Roads Port of Embarkation on 23 November 1945, and inactivated on the same date.

The 1st Battalion is a Regular Army unit assigned to the 181st Infantry Brigade at Fort McCoy, Wisconsin with a mission to train Brigade Support Battalions.

The 2nd Battalion is a Regular Army unit assigned to the 166th Aviation Brigade at Fort Hood, Texas with a mission to train Aviation Battalions.